#573B16#573B16

#573B16 is a dark, moderate orange. Relative luminance 0.052; OKLCH L 37.7% C 0.065 H 70.9°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#573B16
RGB	rgb(87, 59, 22)
HSL	hsl(34, 60%, 21%)
HSV	hsv(34, 75%, 34%)
CMYK	cmyk(0%, 32.2%, 74.7%, 65.9%)
CIE-LAB	lab(27.33, 8.24, 27.11)
CIE-LCH	lch(27.33, 28.33, 73.09°)
OKLab	oklab(37.66% 0.0212 0.0614)
OKLCH	oklch(37.66% 0.065 70.9)
XYZ	xyz(5.6396, 5.2126, 1.4680)
Luminance	0.0521 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#573B16 #163257

analogous

#571B16 #573B16 #535716

triadic

#573B16 #16573B #3B1657

tetradic

#573B16 #16571B #163257 #571653

square

#573B16 #16571B #163257 #571653

split-complementary

#573B16 #165357 #1B1657

monochromatic

#181106 #261A0A #573B16 #885C22 #B97D2F

Accessibility & contrast

On white

10.28

#573B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#573B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #573B16

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##573B16	#FFFFFF	#000000	##FFFFFF
##573B16	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453D12

Deuteranopia (green-blind)

#4B4317

Tritanopia (blue-blind)

#5F3433

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #573b16;
/* rgb */ color: rgb(87, 59, 22);
/* oklch */ color: oklch(37.7% 0.065 70.9);

Tailwind

colors: {
  custom: {
    50: '#8a7055',
    500: '#573b16',
    950: '#000000',
  },
}

SCSS

$custom: #573b16;
$custom-light: #8a7055;
$custom-dark: #000000;

JSON

{
  "hex": "#573b16",
  "rgb": {
    "r": 87,
    "g": 59,
    "b": 22
  },
  "hsl": {
    "h": 34.154,
    "s": 59.633,
    "l": 21.373
  },
  "oklch": {
    "l": 0.37658,
    "c": 0.06492,
    "h": 70.9
  },
  "luminance": 0.05212
}

Semantic roles & 50–950 ramp

primary

#573B16

secondary

#3A5F8E

accent

#89E345

background

#F8F6F5

surface

#F0ECE9

border

#CBC7C5

text

#0C0703

muted

#7D7A78

Preview Lab

Preview with #573B16

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →